| 摘要 |
<p>PROBLEM TO BE SOLVED: To spray water over the entire range of a water discharging pattern.SOLUTION: A rotary comb teeth member 20 for spray to be attached to a tip 1a of a nozzle device for a fire hose comprises: an annular base 22; a plurality of outside flow-out guide teeth 24 which are arranged at the base 22 with intervals in the circumferential direction; and an outside flow-out block plate 26 partially arranged between adjoining outside flow-out guide teeth 24c, 24d out of a plurality of the outside flow-out guide teeth 24. Then, the rotary comb teeth member 20 for spray is attached to the nozzle tip of the nozzle device for the fire hose.</p> |
